You should promote an affiliate program by posting to the niche forums.
Start threads and support it, reply there, prove with screenshots. Make screenshots of payments and post it.
$200 per month, you should make at least 20 posts in a day.
Before every payment you should make a report: Forum URL, post/thread URL, account nickname, account password, email used for register the account, the email's password.
You need to create special emails to confirm accounts (many forums requires to confirm registrations). 1 email can be used for many accounts and many forums.
Nicknames should be different (you can easily copy it from some big another niche forums)
All data rights: accounts, emails, passwords will be belong to me.
Payments for your job can be done daily, weekly or by your schedule, but report from you about the done job first.
If a moderator delete your post, you should make another one for free (possible on another forum)
Payments to you by: PayPal, moneybookers